This board lets an emergency road call treatment. It manages communications between a user in distress and an authorized operator of the motorway operating department. Exchanges are done via OPTICAL network.
- Warning by single pressing on the call button
- Geographical localization of the caller
- Full duplex communication with the operator
- Autonomous power supply by photovoltaic panel and battery
Hearing impaired user assistance ETON ERN optical network allows 500 km of motorway treatment on only one fiber optic. It ensures calls out coming thanks to a triple secure. Four simultaneous communications are handled on one optical fiber.